Gaya APA

P.O'Riley, R., Welfare, I, U, D, O, H, E, A. (1988). Electrical Grounding Based on the 1987 National Electrical Code . New York: By Delmar Publishers Inc.

Gaya MLA

P.O'Riley, Ronald., Welfare, Internasional., US., Department, Of, Heath,, Edication, And. "Electrical Grounding Based on the 1987 National Electrical Code". New York: By Delmar Publishers Inc, 1988. Text.